Biology-B3-Plant Disease 0.0 / 5 ? BiologyMicrobes and diseaseGCSEAQA Created by: tonisha_Created on: 30-10-21 14:13 What is an example of a viral plant disease? Tobacco Mosaic Virus 1 of 44 It infects a number of what? plant species 2 of 44 Including what? tomatoes 3 of 44 TMV causes the leaves to? discolour 4 of 44 By leaving a what? mosaic pattern on the leaf 5 of 44 The leaves may also what? malt and curl up 6 of 44 This results in less what in the leave? less chlorophyll 7 of 44 This means less what is being absorbed? less sunlight 8 of 44 Which mean less what is taking place? less photosynthesis 9 of 44 Less what is produced for rspiration? less glucose 10 of 44 The plant has less what to grow? less energy 11 of 44 This can result in what type of growth? stunted growth 12 of 44 This can be caused by handling the plant without what? gloves 13 of 44 It can be spread through what three ways? water wind soil 14 of 44 How can we prevent this? removing any infected plant 15 of 44 What is an example of a fungal disease? Rose Black Spot 16 of 44 What does it cause to develop on the leaves? purple/ black spots 17 of 44 The leaves may also turn what colour? yellow 18 of 44 Then what will they do? drop off 19 of 44 This means less what is in the leaf? less chlorophyll 20 of 44 Which means less sunlight is being what? absorbed 21 of 44 Which means less what is taking place? less photosynthesis 22 of 44 Less glucose is being produced for? respiration 23 of 44 There is less energy being supplied to what? the plant 24 of 44 Which can lead to what? stunted growth 25 of 44 This can be spread through two ways? water and wind 26 of 44 What can they also be treated with? fungicides 27 of 44 What is an insect which can harm plants? aphids 28 of 44 What do they dig into? the leaves 29 of 44 What do they feed on? the sap 30 of 44 What does the sap contain? products from photosynthesis 31 of 44 Where is the sap found? in the vacuole 32 of 44 What does it cause the plant to do? wilt 33 of 44 What may it also cause in the leaves? holes 34 of 44 What can it be treated with? pesticides 35 of 44 Nitrate ions are needed to make what? protein proteinsynthesis 36 of 44 Magnesium ions are needed to make? chlorophyll 37 of 44 A lack of nitrate ions causes _______ growth? stunted 38 of 44 A lack of magnesium ions causes what deficiency? chlorosis 39 of 44 This is where plants dont have enough? chlorophyll 40 of 44 What are the 7 signs a plant has a disease? stunted growth abnormal growth e.g. lumps spots on leaves malformed stems/leaves discolouration patches of decay/rot presence of pests 41 of 44 Identification can be made by referencing a gardening ______ or _____? manual or website 42 of 44 Taking the infected plant to a _______ where a scientist can _____ the ______? take to a laboratory where a scientist can identify the pathogen 43 of 44 Uses a testing kit that contains ? monoclonal antibodies 44 of 44
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